Conservationists say illegal fishing is threatening the valuable stocks of Patagonian toothfish in Antarctic waters.

BBC: Toothfish at risk from illegal catches

The Patagonian toothfish (Dissostichus eleginoides) is a deep-sea species that commands high prices in Japan and America.

ECONOMIST: New Zealand v the toothfish pirates

The report, Patagonian Toothfish: Are Conservation and Trade Measures Working?

BBC: Toothfish at risk from illegal catches